a) 16782m2 = 1,6782 ha

b) 521 m2 = 5,21 dam2

c) 6,94 m2 = 0,0000694 km2

d) 2,7 cm2 = 0,0027 m2

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I/ complete the sentences, using the comparative form of the adverb from the correspondent adjectives in the brackets:

1. it usually rains ___more heavily_______ in Central VN than in other regions (heavy)

2. i will have to try a bit ___harder_____ than this (hard)

3. the hall was lighted _____more brightly___ than the corridors (bright)

4. time goes by __more quickly_____ when we are busy (quick)

5. our family has lived ____more happily______ in the country than in the town since last year (happy)

6. the boys were playing the game ___more noisily_______ than the girls (noisy)

7. this task can be completed ___more easily______ than that one (easy)

Giúp bạn Nobita bài này đi chị @Linh Diệu, @Dương Yến Tử,... các bạn khác nữa nhé!